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    <div class="refentry" id="glGetSynciv">
      <div class="titlepage"/>
      <div class="refnamediv">
        <h2>Name</h2>
        <p>glGetSynciv — query the properties of a sync object</p>
      </div>
      <div class="refsynopsisdiv">
        <h2>C Specification</h2>
        <div class="funcsynopsis">
          <table style="border: 0; cellspacing: 0; cellpadding: 0;" class="funcprototype-table">
            <tr>
              <td>
                <code class="funcdef">void <strong class="fsfunc">glGetSynciv</strong>(</code>
              </td>
              <td>GLsync <var class="pdparam">sync</var>, </td>
            </tr>
            <tr>
              <td> </td>
              <td>GLenum <var class="pdparam">pname</var>, </td>
            </tr>
            <tr>
              <td> </td>
              <td>GLsizei <var class="pdparam">bufSize</var>, </td>
            </tr>
            <tr>
              <td> </td>
              <td>GLsizei *<var class="pdparam">length</var>, </td>
            </tr>
            <tr>
              <td> </td>
              <td>GLint *<var class="pdparam">values</var><code>)</code>;</td>
            </tr>
          </table>
          <div class="funcprototype-spacer"> </div>
        </div>
      </div>
      <div class="refsect1" id="parameters">
        <h2>Parameters</h2>
        <div class="variablelist">
          <dl class="variablelist">
            <dt>
              <span class="term">
                <em class="parameter">
                  <code>sync</code>
                </em>
              </span>
            </dt>
            <dd>
              <p>
                    Specifies the sync object whose properties to query.
                </p>
            </dd>
            <dt>
              <span class="term">
                <em class="parameter">
                  <code>pname</code>
                </em>
              </span>
            </dt>
            <dd>
              <p>
                    Specifies the parameter whose value to retrieve from the sync object specified in <em class="parameter"><code>sync</code></em>.
                </p>
            </dd>
            <dt>
              <span class="term">
                <em class="parameter">
                  <code>bufSize</code>
                </em>
              </span>
            </dt>
            <dd>
              <p>
                    Specifies the size of the buffer whose address is given in <em class="parameter"><code>values</code></em>.
                </p>
            </dd>
            <dt>
              <span class="term">
                <em class="parameter">
                  <code>length</code>
                </em>
              </span>
            </dt>
            <dd>
              <p>
                    Specifies the address of an variable to receive the number of integers placed in <em class="parameter"><code>values</code></em>.
                </p>
            </dd>
            <dt>
              <span class="term">
                <em class="parameter">
                  <code>values</code>
                </em>
              </span>
            </dt>
            <dd>
              <p>
                    Specifies the address of an array to receive the values of the queried parameter.
                </p>
            </dd>
          </dl>
        </div>
      </div>
      <div class="refsect1" id="description">
        <h2>Description</h2>
        <p>
            <code class="function">glGetSynciv</code> retrieves properties of a sync object. <em class="parameter"><code>sync</code></em> specifies the name of the sync
            object whose properties to retrieve.
        </p>
        <p>
            On success, <code class="function">glGetSynciv</code> replaces up to <em class="parameter"><code>bufSize</code></em> integers in <em class="parameter"><code>values</code></em> with the
            corresponding property values of the object being queried.  The actual number of integers replaced is returned in the variable whose address is
            specified in <em class="parameter"><code>length</code></em>. If <em class="parameter"><code>length</code></em> is <code class="code">NULL</code>, no length is returned.
        </p>
        <p>
            If <em class="parameter"><code>pname</code></em> is <code class="constant">GL_OBJECT_TYPE</code>, a single value representing the specific type of the sync object is
            placed in <em class="parameter"><code>values</code></em>. The only type supported is <code class="constant">GL_SYNC_FENCE</code>.
        </p>
        <p>
            If <em class="parameter"><code>pname</code></em> is <code class="constant">GL_SYNC_STATUS</code>, a single value representing the status of the sync object
            (<code class="constant">GL_SIGNALED</code> or <code class="constant">GL_UNSIGNALED</code>) is placed in <em class="parameter"><code>values</code></em>.
        </p>
        <p>
            If <em class="parameter"><code>pname</code></em> is <code class="constant">GL_SYNC_CONDITION</code>, a single value representing the condition of the sync object
            is placed in <em class="parameter"><code>values</code></em>. The only condition supported is <code class="constant">GL_SYNC_GPU_COMMANDS_COMPLETE</code>.
        </p>
        <p>
            If <em class="parameter"><code>pname</code></em> is <code class="constant">GL_SYNC_FLAGS</code>, a single value representing the flags with which the sync object
            was created is placed in <em class="parameter"><code>values</code></em>. No flags are currently supported<a href="#ftn.id-1.6.7.4" class="footnote"><sup class="footnote" id="id-1.6.7.4">[1]</sup></a>.
        </p>
        <p>
            If an error occurs, nothing will be written to <em class="parameter"><code>values</code></em> or <em class="parameter"><code>length</code></em>.
        </p>
      </div>
      <div class="refsect1" id="errors">
        <h2>Errors</h2>
        <p>
            <code class="constant">GL_INVALID_VALUE</code> is generated if <em class="parameter"><code>sync</code></em> is not the name of a sync object.
        </p>
        <p>
            <code class="constant">GL_INVALID_ENUM</code> is generated if <em class="parameter"><code>pname</code></em> is not one of the accepted tokens.
        </p>
      </div>
      <div class="refsect1" id="versions">
        <h2>API Version Support</h2>
        <div class="informaltable">
          <table style="border-collapse: collapse; border-top: 2px solid ; border-bottom: 2px solid ; border-left: 2px solid ; border-right: 2px solid ; ">
            <colgroup>
              <col style="text-align: left; "/>
              <col style="text-align: center; " class="firstvers"/>
              <col style="text-align: center; "/>
              <col style="text-align: center; " class="lastvers"/>
            </colgroup>
            <thead>
              <tr>
                <th style="text-align: left; border-right: 2px solid ; ">
                 
            </th>
                <th style="text-align: center; border-bottom: 2px solid ; " colspan="3">
                <span class="bold"><strong>OpenGL ES API Version</strong></span>
            </th>
              </tr>
              <tr>
                <th style="text-align: left; border-right: 2px solid ; border-bottom: 2px solid ; ">
                <span class="bold"><strong>Function Name</strong></span>
            </th>
                <th style="text-align: center; border-right: 2px solid ; border-bottom: 2px solid ; ">
                <span class="bold"><strong>2.0</strong></span>
            </th>
                <th style="text-align: center; border-right: 2px solid ; border-bottom: 2px solid ; ">
                <span class="bold"><strong>3.0</strong></span>
            </th>
                <th style="text-align: center; border-bottom: 2px solid ; ">
                <span class="bold"><strong>3.1</strong></span>
            </th>
              </tr>
            </thead>
            <tbody>
              <tr>
                <td style="text-align: left; border-right: 2px solid ; ">glGetSynciv</td>
                <td style="text-align: center; border-right: 2px solid ; ">-</td>
                <td style="text-align: center; border-right: 2px solid ; ">✔</td>
                <td style="text-align: center; ">✔</td>
              </tr>
            </tbody>
          </table>
        </div>
      </div>
      <div class="refsect1" id="seealso">
        <h2>See Also</h2>
        <p>
            <a class="citerefentry" href="glFenceSync.xhtml"><span class="citerefentry"><span class="refentrytitle">glFenceSync</span></span></a>,
            <a class="citerefentry" href="glWaitSync.xhtml"><span class="citerefentry"><span class="refentrytitle">glWaitSync</span></span></a>,
            <a class="citerefentry" href="glClientWaitSync.xhtml"><span class="citerefentry"><span class="refentrytitle">glClientWaitSync</span></span></a>
        </p>
      </div>
      <div class="refsect1" id="Copyright">
        <h2>Copyright</h2>
        <p>
            Copyright <span class="trademark"/>© 2010-2014 Khronos Group.
            This material may be distributed subject to the terms and conditions set forth in
            the Open Publication License, v 1.0, 8 June 1999.
            <a class="link" href="http://opencontent.org/openpub/" target="_top">http://opencontent.org/openpub/</a>.
        </p>
      </div>
      <div class="footnotes">
        <br/>
        <hr class="footnote-hr"/>
        <div id="ftn.id-1.6.7.4" class="footnote">
          <p><a href="#id-1.6.7.4" class="para"><sup class="para">[1] </sup></a><em class="parameter"><code>flags</code></em> is
            expected to be used in future extensions to the sync objects.</p>
        </div>
      </div>
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